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UrduThe remarkable effectiveness of mRNA vaccines against SARS-CoV-2 has generated much interest in synthetic mRNA therapeutics for treating and preventing disease. But some basic science questions have remained about whether the modified nucleotides used in the vaccines faithfully produce the protein products that they are designed to make.
Tag: proteins
Protein Parts Must Indeed Wiggle and Jiggle to Work Right, New Research Suggests
Johns Hopkins Medicine scientists report they have probed the atomic structure of proteins to add to evidence that the wobbles, shakes and quivers of proteins play a critical role in their ability to function. The findings of the research may help scientists design new drugs that can modify or disrupt the intricate “dances” of proteins to alter their functions.
Scientists discover cancer trigger that could spur targeted drug therapies
Researchers at the Department of Energy’s Oak Ridge National Laboratory have definitively linked the function of a specific domain of proteins important in plant-microbe biology to a cancer trigger in humans, knowledge that had eluded scientists for decades.
Human cells take in less protein from a plant-based meat than from chicken
In ACS’ Journal of Agricultural and Food Chemistry, researchers report that proteins in a model plant-based substitute were not as accessible to cells as those from meat. The team says this knowledge could eventually be used to develop more healthful products.
Computer Simulations of Proteins Help Unravel Why Chemotherapy Resistance Occurs
Understanding why and how chemotherapy resistance occurs is a major step toward optimizing treatments for cancer. A team of scientists including Markus Seeliger, PhD, of the Renaissance School of Medicine at Stony Brook University, believe they have found a new process through which drug resistance happens.
Shark antibodies may have the teeth to stop COVID-19
Tiny antibodies in sharks have dexterity and flexibility that human antibodies do not. They can bind tightly to the spike proteins of coronaviruses and neutralize the virus. This could help researchers develop new vaccines and therapies for COVID-19.
‘Nanobodies’ from Llamas Could Yield Cell-Specific Medications for Humans
In “proof of concept” experiments with mouse and human cells and tissues, Johns Hopkins Medicine researchers say they have designed tiny proteins, called nanobodies, derived from llama antibodies, that could potentially be used to deliver targeted medicines to human muscle cells.
Researchers Explore Manipulation of Proteins as Way to Leverage Changes in Extracellular Matrix
Article title: PDIA3/ERp57 promotes a matrix-rich secretome that stimulates fibroblast adhesion through CCN2 Authors: Andrew L. Hellewell, Kate J. Heesom, Mark A. Jepson, Josephine C. Adams From the authors: “Thus, manipulation of PDIA3 or other relevant resident proteins within the…
Combating Antibiotic Resistance
As bacterial infections impervious to drugs rise, so does the need to develop better antibiotics
Researchers create a breakthrough tool for superfast molecular movies
Certain biological events, such as proteins changing their shapes to perform some functions, occur so quickly that current methods of molecular imaging cannot capture them. Now, a research team has created a machine-learning technique that can “fill in” missing data needed to document proteins in action in time scales of a few quadrillionths of a second.
Can Proteins Bind Based Only on Their Shapes?
Proteins bind together through a complex mix of chemical interactions. What if some proteins bind due to their shapes, a much simpler process? Researchers used the Summit supercomputer to model a type of interaction that requires proteins to chemically “fit” precisely. The team found that among a sample of 46 protein pairs that bind to one another, 6 often assembled based on their shapes.
Einstein-Developed Treatment Strategy May Lead to HIV Cure
Armed with a novel strategy they developed for bolstering the body’s immune response, scientists at Albert Einstein College of Medicine have successfully suppressed HIV infections in mice—offering a path to a functional cure for HIV and other chronic viral infections. Their findings were published today in the Journal of Clinical Investigation.
Regulator Proteins or Symphonies of Genes: Statistical Modeling Points Way Toward Unified Theory for DNA Folding
Researchers seek to point a way toward a unified theory for how DNA changes shape when expressing genes. Presenting their work in Biophysics Reviews, the scientists use an approach called statistical mechanics to explore the phenomenon of so-called expression waves of gene regulation.
Scientists Find a Pair of Proteins Control Supply Lines That Feed Cancer Cells
In human cancer cell and mouse studies, researchers from Johns Hopkins Medicine have found that a set of proteins work in tandem to build supply lines that deliver oxygen and nutrients to tumors, enabling them to survive and grow. The protein twosome, PADI4 and HIF-1, ramp up their activity under low-oxygen conditions that are typically found in a fast-growing tumor, allowing it to build new blood vessels that feed the cancer’s growth.
Inflammatory Proteins Help Better Diagnose Progression of Alzheimer’s Disease
Testing for some inflammatory proteins associated with the nervous and immune systems will help diagnose the earlier onset and progression of Alzheimer’s disease, according to a Rutgers study.
Scientists repurpose cancer and seizure medications to aid in the fight against COVID-19
Two teams of researchers using the Advanced Photon Source identified existing drugs — one used to treat cancer, the other an anti-seizure medication — that may work as treatments for COVID-19.
Major NIH award to Wayne State to offer state-of-the-art proteomic research capabilities
Wayne State University has been awarded a $1.29 million high instrumentation grant from the National Institutes of Health to purchase a state-of-the-art mass spectrometer for identification and quantitation of proteins in biomedical research samples.
Advanced Photon Source helps reveal how antibodies bind a molecule linked to cancer
Researchers have developed antibodies that can bind to phosphohistidine, an unstable molecule that’s linked to cancer. To learn how the two bind together, the team turned to the powerful X-rays at Argonne’s Advanced Photon Source. These new insights into its structure will help scientists design better antibodies for potential treatments.
Made in the shade or fun in the sun
Researchers discovered how individual phytochrome isoforms respond differently to light intensity and temperature, enabling land plants to colonize the planet many millions of years ago — and allowing plants to acclimate to a wide array of terrestrial environments.
Researchers Identify Proteins That Predict Future Dementia, Alzheimer’s Risk
The development of dementia, often from Alzheimer’s disease, late in life is associated with abnormal blood levels of dozens of proteins up to five years earlier.
CUR Health Sciences Division Announces 2021 NCUR Presentation Awardees
CUR’s Health Sciences Division announces the 2021 recipients of its NCUR Presentation Awards. The awards cover the cost of registration for undergraduates presenting original research at the 2021 National Conference on Undergraduate Research.
Corals Carefully Organize Proteins to Form Rock-Hard Skeletons
Charles Darwin, the British naturalist who championed the theory of evolution, noted that corals form far-reaching structures, largely made of limestone, that surround tropical islands. He didn’t know how they performed this feat. Now, Rutgers scientists have shown that coral structures consist of a biomineral containing a highly organized organic mix of proteins that resembles what is in our bones. Their study, published in the Journal of the Royal Society Interface, shows for the first time that several proteins are organized spatially – a process that’s critical to forming a rock-hard coral skeleton.
New method targets disease-causing proteins for destruction
Scientists at the University of Wisconsin–Madison have developed a way to use a cell’s own recycling machinery to destroy disease-causing proteins, a technology that could produce entirely new kinds of drugs.
More than 1,000 SARS-CoV-2 Coronavirus Protein 3D Structures Available
New Brunswick, N.J. (March 3, 2021) – The 3D structures of more than 1,000 SARS-CoV-2 coronavirus proteins are freely available from the RCSB Protein Data Bank headquartered at Rutgers University–New Brunswick. The data bank reached the milestone this week, with 1,018 proteins as…
Harnessing the Power of Proteins in our Cells to Combat Disease
A lab on UNLV’s campus has been a hub of activity in recent years, playing a significant role in a new realm of drug discovery — one that could potentially provide a solution for patients who have run out of options.
Molecular Details Reveal New Clues about Common Brain Tumor
The largest and most detailed molecular analysis yet of an aggressive brain cancer, called glioblastoma, reveals fundamental details that drive its growth. The
Bringing Bad Proteins Back Into The Fold
DALLAS – Feb. 11, 2021 – A study led by UT Southwestern has identified a mechanism that controls the activity of proteins known as chaperones, which guide proteins to fold into the right shapes. The findings, published online today in Nature Communications, could shed light on hundreds of degenerative and neurodegenerative diseases caused by protein misfolding, such as Alzheimer’s, Parkinson’s, and Huntington’s, potentially leading to new treatments for these devastating conditions.
Researchers use lasers and molecular tethers to create perfectly patterned platforms for tissue engineering
University of Washington researchers developed a technique to modify naturally occurring biological polymers with protein-based biochemical messages to affect cell behavior. Their approach uses near-infrared lasers to trigger chemical adhesion of proteins to scaffolds made from biological polymers like collagen.
How to Identify Heat-Stressed Corals
Researchers have found a novel way to identify heat-stressed corals, which could help scientists pinpoint the coral species that need protection from warming ocean waters linked to climate change, according to a Rutgers-led study.
Rutgers Expert Can Discuss AI Advances Linked to RCSB Protein Data Bank
New Brunswick, N.J. (Dec. 3, 2020) – Stephen K. Burley, director of the RCSB Protein Data Bank headquartered at Rutgers University–New Brunswick, is available for interviews on how the bank’s 50 years of data on the 3D biomolecular structures of life and artificial intelligence can lead…
How Did Red Algae Survive in Extreme Environments?
Red algae have persisted in hot springs and surrounding rocks for about 1 billion years. Now, a Rutgers-led team will investigate why these single-celled extremists have thrived in harsh environments – research that could benefit environmental cleanups and the production of biofuels and other products.
Flexing our research muscle: Scientists use APS to better understand muscle form, function
Powerful APS X-rays are used to uncover the structure and behavior of proteins controlling tarantula muscles. These insights may help scientists better understand our own muscles.
UB biophysicist to explore molecular mysteries of protein-RNA droplets
Inside human cells, proteins and RNA can cluster together to form spherical droplets that play vital roles in cellular processes as well as in certain human diseases. A $2 million grant will allow biophysicist Priya Banerjee’s team at UB to explore the molecular details of protein-RNA condensates.
EMBARGOED: Genetic study of proteins is a breakthrough in drug development for complex diseases
An innovative genetic study of blood protein levels, led by researchers in the MRC Integrative Epidemiology Unit (MRC-IEU) at the University of Bristol, has demonstrated how genetic data can be used to support drug target prioritisation by identifying the causal effects of proteins on diseases.
New computational tool allows researchers to predict key functional sites in proteins
A new technology that uses a protein’s structure to predict the inner wiring that controls the protein’s function and dynamics is now available for scientists to utilize. The tool, developed by researchers at Penn State, may be useful for protein engineering and drug design.
Protein Mutations Alter Heart Function, Signaling Pathways in Dilated Cardiomyopathy
Article title: Dilated cardiomyopathy mutations in thin-filament regulatory proteins reduce contractility, suppress systolic Ca2+, and activate NFAT and Akt signaling Authors: Paul Robinson, Alexander J. Sparrow, Suketu Patel, Marta Malinowska, Svetlana N. Reilly, Yin-Hua Zhang, Barbara Casadei, Hugh Watkins, Charles Redwood…
Fat-Based Molecules are Key to Zika Virus Infection
Researchers from PNNL have helped colleagues at OHSU identify lipid molecules required for Zika infection in human cells. The specific lipids involved could also be a clue to why the virus primarily infects brain tissue.
Study reveals intricate details about Huntington’s disease protein
The research focuses on axonal transport — the way in which vital materials travel along pathways called axons inside nerve cells, or neurons. Scientists found that HTT sometimes journeys along these roadways in cellular vehicles (called vesicles) that also carry freight including a protein called Rab4.
Which Came First? An Experiment in Recreating Primordial Proteins Solves a Long-standing Riddle
How did the earliest proteins arise, given that the amino acids needed to make them are themselves produced by other proteins – enzymes? The Weizmann Institute’s Prof. Dan Tawfik and colleagues recreated primordial proteins to find the answer.
Potato power: Spuds serve high quality protein that’s good for women’s muscle
Researchers from McMaster University have found that the potato, primarily known as a starchy vegetable, can be a source of high-quality protein that helps to maintain muscle.
Cell Membrane Proteins Imaged in 3-D
A team of scientists including researchers at the National Synchrotron Light Source II have demonstrated a new technique for imaging proteins in 3-D with nanoscale resolution. Their work, published in the Journal of the American Chemical Society, enables researchers to identify the precise location of proteins within individual cells, reaching the resolution of the cell membrane and the smallest subcellular organelles.
Evaluating Embryo Quality with Ultrasensitive Protein Detection
Infertility is estimated to affect 9% of reproductive-aged couples globally, and many couples turn to assisted reproductive technology. Selecting embryos with maximum development potential plays a pivotal role in obtaining the highest rate of success in ART treatment.
Researchers can evaluate the quality of an embryo by detecting the content of proteins secreted. In Biomicrofluidics, a method to detect trace proteins secreted by embryos using microfluidic droplets and multicolor fluorescence holds promise to select embryos for ART.
Argonne’s researchers and facilities playing a key role in the fight against COVID-19
Argonne scientists are working around the clock to analyze the virus to find new treatments and cures, predict how it will propagate through the population, and make sure that our supply chains remain intact.
Rutgers Expert Available to Discuss How to Help Free Market Fight Coronavirus
New Brunswick, N.J. (March 25, 2020) – Stephen K. Burley, director of the RCSB Protein Data Bank headquartered at Rutgers University–New Brunswick, is available for interviews on how to help the free market fight the coronavirus. His viewpoint is published in the journal Nature. “Had drug…
Scientists Have Discovered the Origins of the Building Blocks of Life
Rutgers researchers have discovered the origins of the protein structures responsible for metabolism: simple molecules that powered early life on Earth and serve as chemical signals that NASA could use to search for life on other planets. Their study, which predicts what the earliest proteins looked like 3.5 billion to 2.5 billion years ago, is published in the journal Proceedings of the National Academy of Sciences.
Early research on existing drug compounds via supercomputing could combat coronavirus
Researchers at the Department of Energy’s Oak Ridge National Laboratory have used Summit, the world’s most powerful and smartest supercomputer, to identify 77 small-molecule drug compounds that might warrant further study in the fight against the SARS-CoV-2 coronavirus, which is responsible for the COVID-19 disease outbreak.
Russian biologist explains recent findings regarding coronavirus structure
MOSCOW (MIPT) — The atomic structure of the novel coronavirus envelope has explained why it is exceptionally contagious. Its structural features make it much easier for the Chinese coronavirus to bind to target receptors, compared with the previously known SARS…
Rutgers Expert Available to Discuss New Coronavirus Enzyme Structure
New Brunswick, N.J. (Feb. 5, 2020) – Stephen K. Burley, director of the RCSB Protein Data Bank headquartered at Rutgers University–New Brunswick, is available for interviews on the 3D structure of a key enzyme in the new coronavirus that has been made publicly available…
‘Levitating’ proteins could help diagnose opioid abuse, other diseases
Researchers at Michigan State University’s Precision Health Program have helped develop a fascinating new method called magnetic levitation for detecting the density of proteins in the blood that could vastly improve the rate at which diseases are detected and diagnosed.
A Viral Gold Rush
Researchers developed open-source software that can classify viruses in ways that previous tools could not.